lightning: misc patches, launch asyncio loop on separate thread

electrum/network.py

@@ -20,6 +20,7 @@
 # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
+import asyncio
 import time
 import queue
 import os

electrum/wallet.py

@@ -73,6 +73,9 @@ if TYPE_CHECKING:
 
 _logger = get_logger(__name__)
 
+from .lightning import LightningRPC
+from .lightning import LightningWorker
+
 TX_STATUS = [
     _('Unconfirmed'),
     _('Unconfirmed parent'),